The ratio between the number of red and green marbles in a box is 3:7. How many marbles are in the box if there are 20 fewer red
marbles than green marbles?
PLS HELP QUICK LIKE IN 1 SECOND!!
2 answers:
Answer:
50
Step-by-step explanation:
difference of ratio=7-3=4
sum of ratio=3+7=10
if difference 4 total=10
if difference 20 total=10/4×20=50
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It's original price was $38.50
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